Google's recent rollout of Gemini 4 Argon to paid API users and Pro/Ultra subscribers on October 13 has anchored trader expectations against any new Gemini Pro model launch by November 1. After canceling Gemini 3.5 Pro and prioritizing iterative Flash variants plus post-training refinements for the larger Argon flagship, the company has signaled a focus on safety evaluations and competitive benchmarks rather than rapid Pro-tier releases. Historical cadence between major Pro updates, such as the February 2026 arrival of Gemini 3.1 Pro, further supports the strong market consensus. An unexpected acceleration of a Pro variant or revised internal timeline could still shift outcomes before the deadline.